Senior Staff Power System Engineer (Datacenter) - San Jose, California, United States
Originally posted 9 June 2026 by the employer — open 104 days.
About the role
This role involves defining and developing high-density power solutions for AI and data center applications.
What you'll do
- Develop high-frequency power converter solutions for AI and data center applications across AC/DC and DC/DC architectures.
- Define power converter architectures and key system components for emerging AI and data center power solutions.
- Provide switching power supply design support and technical guidance for applications.
- Develop reference designs and application solutions demonstrating performance, efficiency, and system value for AI and data center power architectures.
- Collaborate with product development teams and customers to solve complex technical challenges, evaluate design tradeoffs, and optimize system performance, density, and reliability.
- Serve as a technical expert and provide advanced application support to customers worldwide.
What you'll need
- Bachelor’s or Master’s degree in Electrical Engineering, or foreign equivalent.
- Minimum 12 years of relevant industry experience.
- Hands-on experience and deep expertise in high-density, high-frequency power converter design, including server power applications above 3 kW.
- Strong familiarity with power supply topologies including active power factor correction circuits, phase-shifted and LLC resonant converters, buck, boost, buck-boost, and flyback converters.
- Expert knowledge of high-frequency magnetics design.
- Ability to perform complex calculations, including worst-case analysis, for circuits.
- Experience with tools such as MATLAB, Excel, and simulation software such as SIMPLIS/LTspice/PLECS.
- Strong hands-on capability and experience using lab equipment to test high-frequency switching power supplies.
- Excellent written and verbal communication skills, including experience creating specifications, technical reports, and test plans or instructions.
- Knowledge of relevant industry standards and system architectures.
Nice to have
- Experience developing firmware in C/C++ for embedded controllers in power supply applications.
- Experience using finite element tools such as ANSYS.
- Experience designing power supplies/power converters from concept to production and supporting post production.
- Knowledge of communication protocols such as I2C and PMBus.
- Familiarity with tools for debug of power converters with embedded controllers.
Skills: high-density power, power converter, GaN, AC/DC, DC/DC, PFC, LLC resonant
This role has been open 83 days — well above the 59-day median for Power Electronics roles.
Power Electronics · Power Conversion
|
Open roles in category
53
|
Median days open
59 d
|
Median salary
$185k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Power Integrations | All employers we track in this specialty (53 roles · 24 employers) |
|---|---|---|
| Open roles in this specialty | 4 | 53 |
| Open roles in the wider Analog & Mixed-Signal family | 4 | 1337 · 105 employers |
| Median days open | 50 d | 59 d (−9 d vs this employer) |
| Median salary (USD postings) | — | $185k |
Skills observed across this category: high-density power, power converter, GaN, AC/DC, DC/DC, PFC
Who's hiring in this category
- Infineon Technologies · 7 open roles · median 33 d
- Renesas Electronics · 5 open roles · median 40 d
- Power Integrations (this employer) · 4 open roles · median 50 d
- Analog Devices · 3 open roles · median 59 d
- Navitas Semiconductor · 3 open roles · median 25 d
- onsemi · 3 open roles · median 125 d
How we counted: 53 open Power Electronics (Power Conversion) roles from 24 employers tracked in the SemiconductorJobs index, counted 21 Sept 2026. Specialty figures count only roles carrying this exact specialty label, so an employer's related work in neighbouring specialties is not included there — it is counted in the wider Analog & Mixed-Signal family row. Figures refresh nightly.